| Name | Status | Description |
|---|---|---|
| arXiv | Open | arXiv is a free distribution service and an open-access archive for 1,871,031 scholarly articles in the fields of physics, mathematics, computer science, quantitative biology, quantitative finance, statistics, electrical engineering and systems science, and economics. Materials on this site are not peer-reviewed by arXiv. |
| Mathematical Physics Preprint Archive | Open | mp_arc is an electronic archive for research papers in Mathematical Physics and related areas. |
| ViXra | Open | An alternative archive of 36951 e-prints in Science, Mathematics & Other Scholarly Areas serving the whole scientific community |